Loading logic moved to Asset classes

src/Engine/Graphics/Mesh.h

@@ -3,15 +3,54 @@
 
 namespace Seele
 {
+#define MAX_TEX_CHANNELS 4
+enum class VertexAttribute
+{
+    POSITION,
+    TEXCOORD,
+    NORMAL,
+    TANGENT,
+    BITANGENT
+};
+struct MeshDescription
+{
+    Array<VertexAttribute> layout;
+    Gfx::PVertexDeclaration declaration;
+    uint32 getStride() const
+    {
+        return getNumFloats() * sizeof(float);
+    }
+    uint32 getNumFloats() const
+    {
+        uint32 vertexSize = 0;
+        for(auto a : layout)
+        {
+            switch (a)
+            {
+            case VertexAttribute::POSITION:
+            case VertexAttribute::NORMAL:
+            case VertexAttribute::TANGENT:
+            case VertexAttribute::BITANGENT:
+                vertexSize += 3;
+                break;
+            case VertexAttribute::TEXCOORD:
+                vertexSize += 2;
+                break;
+            }
+        }
+        return vertexSize;
+    }
+};
+DECLARE_REF(MaterialAsset);
 class Mesh
 {
 public:
-    Mesh(Gfx::PVertexBuffer vertexBuffer, Gfx::PIndexBuffer indexBuffer);
+    Mesh(MeshDescription description, Gfx::PIndexBuffer indexBuffer);
     ~Mesh();
 
-private:
-    Gfx::PVertexBuffer vertexBuffer;
     Gfx::PIndexBuffer indexBuffer;
+    MeshDescription description;
+    PMaterialAsset referencedMaterial;
 };
 DEFINE_REF(Mesh);
 } // namespace Seele